Toshiba RAV-SP454AT-E Check Code List Indoor, Indoor unit detected, Remote controller detected

10-2-3. Check Code List (Indoor)

¡ : Go on, ¥ : Flash, l : Go off ALT (Alternate): Alternate flashing when there are two flashing LED SIM (Simultaneous): Simultaneous flashing when there are two flashing LED

(Indoor unit detected)

	Check code indication	Sensor lamp indication							Air conditioner operation
	TCC-LINK central &	Block indication				Representative defective position		Explanation of error contents	Automatic	Operation
	Wired remote controller	Operation	Timer	Ready	Flash				reset	continuation
	E03	¥	l	l		Regular communication error between indoor and		No communication from remote controller and network adapter	¡	×
						remote controller		(Also no communication from central control system)
	E04	l	l	¥		Indoor/Outdoor serial error		There is error on serial communication between indoor and outdoor units	¡	×
	E08	¥	l	l		Duplicated indoor addresses	²	Same address as yours was detected.	¡	×
	E10	¥	l	l		Communication error between indoor MCU		MCU communication error between main motor and micro computer	¡	×
	E18	¥	l	l		Regular communication error between		Regular communication between indoor master and follower units is impossible,	¡	×
						indoor master and follower units		Communication between twin master (main) and follower (sub) units is impossible.
	F01	¥	¥	l	ALT	Indoor unit, Heat exchanger (TCJ) error		Open/short was detected on heat exchanger (TCJ).	¡	×
	F02	¥	¥	l	ALT	Indoor unit, Heat exchanger (TC) error		Open/short was detected on heat exchanger (TC).	¡	×
	F10	¥	¥	l	ALT	Indoor unit, Room temp. sensor (TA) error		Open/short was detected on room temp. sensor (TA).	¡	×
	F29	¥	¥	l	SIM	Indoor unit, other indoor P.C. board error		EEPROM error (Other error may be detected. If no error, automatic address is repeated.	×	×
	L03	¥	l	¥	SIM	Duplicated setting of indoor group master unit	²	There are multiple master units in a group.	×	×
	L07	¥	l	¥	SIM	There is group cable in individual indoor unit.	²	When even one group connection indoor unit exists in individual indoor unit.	×	×
	L08	¥	l	¥	SIM	Unset indoor group address	²	Indoor group address is unset.	×	×
	L09	¥	l	¥	SIM	Unset indoor capacity		Capacity of indoor unit is unset.	×	×
	L20	¥	¡	¥	SIM	Duplicated central control system address		Duplicated setting of central control system address	¡	×
	L30	¥	¡	¥	SIM	Outside error input to indoor unit (Interlock)		Abnormal stop by outside error (CN80) input	×	×
	P01	l	¥	¥	ALT	Indoor unit, AC fan error		An error of indoor AC fan was detected. (Fan motor thermal relay worked.)	×	×
–	P10	l	¥	¥	ALT	Indoor unit, overflow detection		Float switch worked.	×	×
75	P12	l	¥	¥	ALT	Indoor unit, DC fan error		Indoor DC fan error (Over-current/Lock, etc.) was detected.	×	×
	P19	¥	l	¥	ALT	4-way valve system error		In heating operation, an error was detected by temp. down of indoor heat exchanger sensor.	¡	×
–	P31	¥	l	¥	ALT	Other indoor unit error		Follower unit in group cannot operate by warning from [E03/L03/L07/L08] of master unit.	¡	×

²When this warning was detected before group construction/address check finish at power supply was turned on, the mode shifts automatically to AUTO address setup mode.

(Remote controller detected)

Check code indication	Sensor lamp indication						Air conditioner operation
Wired remote controller	Block indication				Representative defective position	Explanation of error contents	Automatic	Operation
	Operation	Timer	Ready	Flash			reset	continuation
E01	¥	l	l		No master remote controller, Remote controller	Signal cannot be received from indoor unit. Master remote controller was not set.	—	—
					communication (Receive) error	(including 2 remote controllers)
E02	¥	l	l		Remote controller communication (Send) error	Signal cannot be sent to indoor unit.	—	—
E09	¥	l	l		Duplicated master remote controller	In 2-remote controller control, both were set as master. (Indoor master unit stops warning	×
						and follower unit continues operation.)
(Central control devices detected)
Check code indication	Sensor lamp indication						Air conditioner operation
TCC-LINK central	Block indication				Representative defective position	Explanation of error contents	Automatic	Operation
	Operation	Timer	Ready	Flash			reset	continuation
C05	Is not displayed.				Central control system communication (send) error	Signal sending operation of central control system is impossible.	—	—
	(Common use of					There are multiple same central devices. (AI-NET)
C06	remote controller, etc.)				Central control system communication (receive) error	Signal receiving operation of central control system is impossible.	—	—
C12		—			General-purpose device control interface batched warning	An error on device connected to general-purpose device control interface of exclusive to	—	—
						TCC-LINK/AI-NET
P30		By warning unit			Group follower unit is defective.	Group follower unit is defective.	—	—
	(Above-mentioned)					(For remote controller, above-mentioned [∗∗∗ ] details are displayed with unit No.

NOTE: Even for the same contents of error such as communication error, the display of check code may differ according to detection device.

When remote controller or central controller detects an error, it is not necessarily related to operation of the air conditioner. In this list, the check codes that outdoor unit detects are not described.